body,div,ul,li{
    margin: 0;
    padding: 0;
}
body{
    box-sizing: border-box;
    background-color: rgb(248,248,249);
}
.container{
    background: #ffffff;
    width: 80%;
    margin: 0 auto;
    padding: 10px;
}
.header{
    display: flex;
    justify-content: space-between;
    background: #ffffff;
}
.search{
    height: 33px;
    width: 196px;
    background: #ffffff;
}
.search input{
    padding-left: 45px;
    height: 33px;
    width: 196px;
    background: url("../images/search.png")  no-repeat;
}
.bg{
    width: 100%;
    margin-top: 10px;
}
.bg img{
    width: 100%;
}
/*选项卡*/
.tab{
    width: 100%;
    margin-top: 10px;
    display: flex;
    justify-content: flex-start;
    border: 1px solid #cccccc;
}
.tab_header{
    width: 20%;
    border-right: 1px solid #cccccc;
}
.tab_header ul{
    display: flex;
    flex-direction: column;
}
.tab_header ul li{
    background-color: #ffffff;
    font-size: 16px;
    list-style: none;
    height: 33px;
    line-height: 33px;
    cursor: pointer;
    border-bottom: 1px solid #cccccc;
    text-align: center;
    font-weight: bold;
}
.tab_header ul li.selected{
    background: #cccccc;
}
.tab_content{
    width: 80%;
}
.tab_content .dom{
    display:none;
}

.top{
    display: flex;
    padding: 10px;
}
.top img{
    width: 200px;
    height: 200px;
}
.article{
    text-indent: 2em;
    line-height: 180%;
    margin: 0 20px;
    font-size: 14px;
}
.article1{
    margin: 10px 20px;
}
.text{
    margin-bottom: 20px;
}
